Update test suite for PHP7

.travis.yml

@@ -1,11 +1,12 @@
+dist: trusty
 language: php
 
 php:
-  - 5.3
   - 5.4
   - 5.5
   - 5.6
   - 7.0
+  - 7.1
   - hhvm
 
 before_script: composer install --dev

CONTRIBUTING.md

@@ -10,7 +10,7 @@
     cd tests && php all_tests.php && cd ..
     ```
 
-    The [Travis CI build](https://travis-ci.org/campaignmonitor/createsend-php) runs on PHP `5.3` and `5.4`.
+    The [Travis CI build](https://travis-ci.org/campaignmonitor/createsend-php) runs on PHP `5.4`, `5.5`, `5.6`, `7.0`, `7.1` and `hhvm`.
 
 5. It should go without saying, but do not increment the version number in your commits.
 6. [Submit a pull request](https://help.github.com/articles/using-pull-requests).

composer.json

@@ -13,10 +13,10 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0"
+        "php": ">=5.4.0"
     },
     "require-dev": {
-        "simpletest/simpletest": "~1.1.3"
+        "simpletest/simpletest": "~1.1.7"
     },
     "autoload": {
         "classmap": [

tests/all_tests.php

@@ -4,8 +4,8 @@
 require_once __DIR__.'/../vendor/simpletest/simpletest/mock_objects.php';
 
 class AllTests extends TestSuite {
-    function AllTests() {
-        $this->TestSuite('All Tests');
+    function __construct() {
+        parent::__construct('All Tests');
         $this->addFile('class_tests/transport_test.php');
         $this->addFile('class_tests/response_tests.php');
         $this->addFile('csrest_test.php');

tests/csrest_test.php

@@ -2,6 +2,7 @@
 
 require_once __DIR__.'/../vendor/autoload.php';
 require_once __DIR__.'/../vendor/simpletest/simpletest/autorun.php';
+require_once(__DIR__.'/../vendor/simpletest/simpletest/mock_objects.php');
 
 @Mock::generate('CS_REST_Log');
 @Mock::generate('CS_REST_NativeJsonSerialiser');